We invite you to the Mackenzie New Year's Challenge 2017. A 36 hour challenge consisting of 6 problems in varying difficulty. This contest will take place on Saturday Jan 7th 12pm until Sunday Jan 8th midnight.

Also, the deadline to claim prizes has been extended to Jan. 5, 2017

Winners will be contacted shortly to receive their t-shirt prize. If you are a winner, the email you receive is sent to the email address you registered your DMOJ account with.

If you are from Trudeau and are eligible for a prize, please send an email to [email protected] from the email address you registered your DMOJ account with. Please state your DMOJ username and attach a full image of your 2016-17 student ID card.

Editorials will be uploaded very soon to their respective problem pages!

See you next month!

We're excited to invite you to the fourth Trudeau Logic Evaluation of the 2016-17 school year, and the last TLE of 2016!

Editorials have been uploaded and can be found on respective problem pages.
See you next month!

We're excited to invite you to the third Trudeau Logic Evaluation of the 2016-17 school year!

Anyone with a DMOJ account is welcome to participate and anyone without one is welcome to register and participate.
The TLE November contest will be a 3-hour virtual contest, which will allow contestants to participate in any 3-hour window from 12:00 PM EST to 11:00 PM EST on November 17, 2016. Please see the contest page for more details.